Electrical Cables Capacitance grading of cable implies Grading according to capacitance of cables per km length Capacitance required to be introduced at different lengths to counter the effect of inductance Use of dielectrics of different permeabilities Cables using single dielectric in different concentrations Grading according to capacitance of cables per km length Capacitance required to be introduced at different lengths to counter the effect of inductance Use of dielectrics of different permeabilities Cables using single dielectric in different concentrations ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become None of the listed here Double One half Four times None of the listed here Double One half Four times ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be 5 kV/mm 10 kV/mm 30 kV/mm 15 kV/mm 5 kV/mm 10 kV/mm 30 kV/mm 15 kV/mm ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables Cables for 220 kV lines are invariably Paper insulated Rubber insulated Mica insulated Compressed oil or compressed gas insulated Paper insulated Rubber insulated Mica insulated Compressed oil or compressed gas insulated ANSWER DOWNLOAD EXAMIANS APP
Electrical Cables If the length of a cable is doubled, its capacitance Becomes one-half Becomes one-fourth None of the listed here Becomes double Becomes one-half Becomes one-fourth None of the listed here Becomes double ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS